diff --git a/Cargo.lock b/Cargo.lock
index e3e2167..9f88dc7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,5 +3,5 @@
 version = 3
 
 [[package]]
-name = "rust-http-server"
+name = "plain-http"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index cb0fd0a..8915a87 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,9 @@
 [package]
-name = "rust-http-server"
+name = "plain-http"
 version = "0.1.0"
 edition = "2021"
+description = "Simple http library"
+keywords = ["web", "http", "backend", "frontend"]
+authors = ["Daniel Heras Quesada"]
 
 [dependencies]
diff --git a/src/http/generators.rs b/src/http/generators.rs
index b562688..0763a41 100644
--- a/src/http/generators.rs
+++ b/src/http/generators.rs
@@ -1,3 +1,3 @@
 use super::*;
 
-pub fn generate_response(petition: HttpRequest) -> ProcessedResponse {}
+// pub fn generate_response(petition: HttpRequest) -> ProcessedResponse {}
diff --git a/src/http/types.rs b/src/http/types.rs
index 0a669f6..6be0836 100644
--- a/src/http/types.rs
+++ b/src/http/types.rs
@@ -1,5 +1,27 @@
 use std::collections::HashMap;
 
+/*
+ * App types
+ * */
+pub struct HttpAppConfig {
+    port: u8,
+}
+
+pub type HttpAppRouteFunction = Box<dyn Fn(HttpRequest) -> String>;
+
+pub struct HttpAppRoute<'a> {
+    route: &'a str,
+    action: HttpAppRouteFunction,
+}
+
+pub struct HttpApp<'a> {
+    config: HttpAppConfig,
+    routes: Vec<HttpAppRoute<'a>>,
+}
+
+/*
+ * Parser types
+ * */
 // TODO:
 //  - we could complement status with a struct that stores the status and the error message.
 //  - an alternative is to have a status-error_mesage mapper in order to send an error explanation to the client
diff --git a/src/main.rs b/src/lib.rs
similarity index 71%
rename from src/main.rs
rename to src/lib.rs
index 7b7981a..8b9fd2e 100644
--- a/src/main.rs
+++ b/src/lib.rs
@@ -3,7 +3,7 @@ use std::net::{SocketAddr, TcpListener};
 
 mod http;
 
-fn main() {
+fn principal() {
     let addr = SocketAddr::from(([127, 0, 0, 1], 80));
 
     let listener = TcpListener::bind(addr).unwrap();
@@ -20,3 +20,18 @@ fn main() {
         _stream.flush().unwrap();
     }
 }
+
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}
diff --git a/src/test/basic_get.txt b/src/test/basic_get.txt
new file mode 100644
index 0000000..e69de29